Insten For Canon EOS Digital Rebel XTi XT Battery Charger NOTE: For a successful and safe charge of your battery, make sure to correctly align polarity ( positive / negative) before placing battery into charger. Complete charging solution for digital video batteries.High quality battery charger is a handy companion for digital shooting .Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock Smart LED indicator shows charging status Specifications: A/C power supply input voltage: AC100V~240V; Output voltage: 8.4V 600mA; Dimension: 3.25 x 1.5 x 1.75 inch